Traditional Culture Encyclopedia - Traditional festivals - What color is this butterfly?

What color is this butterfly?

Black, red.

1. Melanin is a metabolite in butterflies and is oxidized by tyrosine. Black is one of the main colors of butterflies and one of the ways to attract the opposite sex and show beauty.

2. The color of butterfly is mainly determined by red pigment. There are rich red pigments on the wings of butterflies, which is the result of metabolism in butterflies. With the change of chemical properties, these red pigments will fade or even disappear due to oxidation or reduction, that is, the red color of butterflies is a way to adapt to different environments.